underwater acoustic
An Empirical Study of Underwater Acoustic Sensor Network and Terrestrial Wireless Network
... monitoring underwater medium for scientific exploration and attack ...protection. Underwater sensor nodes will find application in ocean-graphic data collection, pollution monitoring, disaster prevention ...
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Underwater Acoustic simulations with a time variable acoustic propagation model
... Variable Acoustic Propagation Model (TV-APM) was developed to simulate underwater acoustic propagation in time-variable ...stationary Acoustic Propagation Model (APM), and is designed for ...
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Multi-node processing for asymmetrical communications in underwater acoustic networks
... Abstract— Underwater acoustic communication networks have attracted attention for its applications in many areas such as mine warfare, rapid environmental assessment or search and rescue, where there is the ...
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Vector sensor arrays in underwater acoustic applications
... ocean acoustic signals have been acquired using hydrophones, which measure the pressure field and are typically ...the acoustic pressure and the three components of particle ...in underwater ...
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A time-reversal suboptimal detector for underwater acoustic barriers
... autonomous underwater vehicles has prompted for the development of harbor protec- tion ...as underwater barriers, generally combine various techniques including mag- netic sensors, mechanic steel nets and ...
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Modelling underwater acoustic noise as a tool for coastal management
... over acoustic noise and its impact on marine mammals has currently been done by USA, most of it related with specific sound systems, such as military sonar, Surtass LFA, and ...for underwater ...
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Doppler Domain Decomposition of the Underwater Acoustic Channel Response
... The underwater acoustic channel is characterized by a long multipath spread where each path is subject to distortion due to the motion of the transmitter and/or the receiver, and the sea ...
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Digital Underwater Acoustic Communication Simulator
... of underwater acoustic medium and the low propagation speed of sound in water, the underwater acoustic channel is commonly regarded as one of the most challenging channels for ...MIMO ...
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UNDERWATER ACOUSTIC CHANNEL MODELING PROPOSAL FOR SHALLOW WATER COMMUNICATION LINK OPTIMIZATION
... and Underwater Acoustic Department of IEAPM/MB (Brazilian Navy Institute of Sea Research ...IEAPM Underwater Acoustics Department for the huge support on administrative tasks and in situ data ...
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UAN: underwater acoustic network
... for underwater what wifi is for terrestrial ...for acoustic waves in which regards long range propagation but poses a number of challenges in terms of available bandwidth, Doppler spread and channel ...
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Underwater acoustic barrier 2007 UAB'07 Part A: the Hopavagen bay
... project Underwater Acoustic Barriers (UAB) started in 2006 with the objective of proving the concept of using underwater sound propagation to detect submerged objects crossing a given ...an ...
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Underwater acoustic communication system : performance evaluation of digital modulation techniques
... the underwater wireless communication systems has aroused a great in- terest of research due to its strong potentiality of applications in several areas that stand out research on marine life, environmental ...
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Potential of vertical line array beamforming in underwater acoustic communications
... different underwater applications such as detection and localization of far-field sound sources [1], ...for underwater communications in [3] where a coherent path beamformer (CPB) is proposed for processing ...
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Environmental-friendly underwater acoustic communication and networks
... take advantage of channel diversity introduce noise / array gain. S.M[r] ...
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Underwater acoustic communication using a time-reversal mirror approach
... practical underwater acoustical communication systems coherent modulation seems to be the most viable option for obtaining high data rates in the ocean, where the available bandwidth is inherently restricted as a ...
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Adaptation of an acoustic propagation model to the parallel architecture of a graphics processor
... Tank experiments constitute a fundamental reference for underwater acoustic modeling, by providing valuable data for model benchmarking. In particular these types of experiments are important because of the ...
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Numerical enhancements and parallel GPU implementation of the TRACEO3D model
... Underwater acoustic models provide a fundamental and efficient tool to parametrically investigate hypothesis and physical phenomena through varied environmental conditions of sound propagation ...
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SHALLOW WATERS INTERFERENCE PATTERN FEATURES AND APPLICATIONS
... electromagnetic, acoustic and quantum mechan- ics (matter waves) as ...use underwater sound interference to obtain a spec- trogram of source-receiver range in frequency ...in underwater acoustics, ...
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Acoustic-oceanographic data fusion for prediction of oceanic acoustic elds
... of underwater acoustic signal processing techniques, and has faced a significant technological development in the last years, in terms of acoustic emission and reception ...the Acoustic ...
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Lat. Am. j. solids struct. vol.13 número6
... In this research, generation of a short and smooth path in three-dimen- sional space with obstacles for guiding an Unmanned Underwater Vehi- cle (UUV) without collision is investigated. This is done by utilizing ...
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